Home / 25,881.32-38,830.13-9,240.99

Finding the Fourth Proportional to 25,881.32, 38,830.13 and 9,240.99

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Solution

The fourth proportional to 25,881.32, 38,830.13 and 9,240.99 is: 13,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.32 : 38,830.13 = 9,240.99 : x
  2. Step 2: Convert to fraction form
    25,881.32/38,830.13 = 9,240.99/x
  3. Step 3: Cross multiply
    25,881.32x = 38,830.13 × 9,240.99
  4. Step 4: Simplify right side
    25,881.32x = 358,828,737.85
  5. Step 5: Solve for x
    x = 358,828,737.85/25,881.32
  6. Step 6: Final answer
    x = 13,864.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.